EMS Master Calendar < 8.0.0.20180520 - Reflected Cross-Site Scripting

vendor:

EMS Master Calendar

by:

Chris Barretto

6.1

CVSS

MEDIUM

Reflected Cross-Site Scripting

CWE

Product Name: EMS Master Calendar

Affected Version From: Versions prior to 8.0.0.201805210

Affected Version To: 8.0.0.127

Patch Exists: YES

Related CWE: CVE-2018-11628

CPE: a:ems_software:ems_master_calendar

Metasploit: N/A

Other Scripts: https://www.infosecmatter.com/nessus-plugin-library/?id=129178, https://www.infosecmatter.com/nessus-plugin-library/?id=131592, https://www.infosecmatter.com/nessus-plugin-library/?id=137966

Platforms Tested: None

2018

EMS Master Calendar < 8.0.0.20180520 - Reflected Cross-Site Scripting

Data input into EMS Master Calendar before 8.0.0.201805210 via URL parameters are not properly sanitized, allowing malicious attackers to send a crafted URL and execute code in the context of the user's browser.

Mitigation:

Input validation should be used to ensure that untrusted data is not used to generate URLs that are used in the application.

Source

Exploit-DB raw data:

# Exploit Title: EMS Master Calendar < 8.0.0.20180520 - Reflected Cross-Site Scripting
# Date:  2018-06-01
# Exploit Author: Chris Barretto
# Vendor Homepage: https://www.emssoftware.com/
# Software Link: https://docs.emssoftware.com/Content/V44.1_ReleaseNotes.htm
# Version: Versions prior to 8.0.0.201805210 are vulnerable
# Tested on: Master Calendar v8.0.0.127
# CVE : CVE-2018-11628

# 1. Description:
# Data input into EMS Master Calendar before 8.0.0.201805210 via URL parameters are not properly sanitized,
# allowing malicious attackers to send a crafted URL and execute code in the context of the user's browser.

#2. Proof of concept:
# The following PoC URL is available:
https://example.com/MasterCalendar/RssFeeds.aspx?Name=abc<script>alert('XSS')</script>xyz